"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : dbcompatibility-whale
Case Name   : 函数regexp_substr返回将POSIX正则表达式模式与字符串匹配后得到的匹配子字符串
Create At   : 2024/1/8
Owner       : @zou_jialiang050
Description :
    1.函数orafce.regexp_substr返回将POSIX正则表达式模式与字符串匹配后得到的匹配子字符串
    2.函数orafce.regexp_substr多参
    3.函数orafce.regexp_substr无参
    4.函数orafce.regexp_substr少参
Expect      :
    1.成功
    2.失败
    3.失败
    4.失败
History     :
"""
import os
import unittest
from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger


class Whale(unittest.TestCase):
    def setUp(self):
        self.logger = Logger()
        self.logger.info(f"-----{os.path.basename(__file__)} start-----")
        self.constant = Constant()
        self.common = Common()
        self.sh_primy = CommonSH('PrimaryDbUser')
        self.dbname = 'db_whale_82'
    
    def test_function(self):
        text = "---pre1:创建A兼容性数据库;expect:成功---"
        self.logger.info(text)
        pre_cmd1 = f"drop database if exists {self.dbname};" \
            f"create database {self.dbname} dbcompatibility='A';"
        pre_msg1 = self.sh_primy.execut_db_sql(pre_cmd1)
        self.logger.info(pre_msg1)
        self.assertIn(self.constant.CREATE_DATABASE_SUCCESS, pre_msg1,
                      text + '执行失败')
        text = "---pre2:在A数据库中创建whale插件;expect:成功---"
        self.logger.info(text)
        pre_cmd2 = f"create extension whale;"
        pre_msg2 = self.sh_primy.execut_db_sql(pre_cmd2, dbname=self.dbname)
        self.logger.info(pre_msg2)
        self.assertIn(self.constant.extension_create_success, pre_msg2,
                      text + '执行失败')
        
        text = "---step1:返回匹配后得到的匹配子字符串;expect:成功---"
        self.logger.info(text)
        sql_cmd1_1 = f"SELECT orafce.regexp_substr('number of your street, " \
            f"zipcode town, FR', ',[^,]+');"
        msg1_1 = self.sh_primy.execut_db_sql(sql_cmd1_1, dbname=self.dbname)
        self.logger.info(msg1_1)
        self.common.equal_sql_mdg(msg1_1, 'regexp_substr', ', zipcode town',
                                  '(1 row)', flag='1')

        sql_cmd1_2 = f"SELECT orafce.regexp_substr('number of your street, " \
            f"zipcode town, FR', ',[^,]+', 24);"
        msg1_2 = self.sh_primy.execut_db_sql(sql_cmd1_2, dbname=self.dbname)
        self.logger.info(msg1_2)
        self.common.equal_sql_mdg(msg1_2, 'regexp_substr', ', FR',
                                  '(1 row)', flag='1')

        sql_cmd1_3 = f"SELECT orafce.regexp_substr('number of your street," \
            f" zipcode town, FR', ',[^,]+', 1, 2);"
        msg1_3 = self.sh_primy.execut_db_sql(sql_cmd1_3, dbname=self.dbname)
        self.logger.info(msg1_3)
        self.common.equal_sql_mdg(msg1_3, 'regexp_substr', ', FR',
                                  '(1 row)', flag='1')

        sql_cmd1_4 = f"SELECT orafce.regexp_substr('1234567890 1234567890'," \
            f" '(123)(4(56)(78))', 1, 1, 'i', 0);"
        msg1_4 = self.sh_primy.execut_db_sql(sql_cmd1_4, dbname=self.dbname)
        self.logger.info(msg1_4)
        self.common.equal_sql_mdg(msg1_4, 'regexp_substr', '12345678',
                                  '(1 row)', flag='1')

        text = "---step2:函数orafce.regexp_substr多参;expect:失败---"
        self.logger.info(text)
        sql_cmd2 = f"select orafce.regexp_substr('number of your street," \
            f"zipcode town,FR','number of your street,zipcode town," \
            f"FR',',[^,]+');"
        msg2 = self.sh_primy.execut_db_sql(sql_cmd2, dbname=self.dbname)
        self.logger.info(msg2)
        self.assertIn("invalid input syntax for integer", msg2,
                      text + '执行失败')

        text = "---step3:函数orafce.regexp_substr无参;expect:失败---"
        self.logger.info(text)
        sql_cmd3 = f"select orafce.regexp_substr();"
        msg3 = self.sh_primy.execut_db_sql(sql_cmd3, dbname=self.dbname)
        self.logger.info(msg3)
        self.assertIn("function orafce.regexp_substr() does not exist", msg3,
                      text + '执行失败')

        text = "---step4:函数orafce.regexp_substr少参;expect:失败---"
        self.logger.info(text)
        sql_cmd4 = f"select orafce.regexp_substr('number of your street, " \
            f"zipcode town, FR');"
        msg4 = self.sh_primy.execut_db_sql(sql_cmd4, dbname=self.dbname)
        self.logger.info(msg4)
        self.assertIn("function orafce.regexp_substr(unknown) does not exist",
                      msg4, text + '执行失败')

    def tearDown(self):
        text = '----清理环境----'
        cl_cmd = f"drop database {self.dbname};"
        cl_msg = self.sh_primy.execut_db_sql(cl_cmd)
        self.logger.info(cl_msg)
        self.assertIn(self.constant.DROP_DATABASE_SUCCESS, cl_msg,
                      text + '执行失败')
        self.logger.info(f'-----{os.path.basename(__file__)} end-----')
